Articles tagged "Rejection"

2019 American Transplant Congress
Synergistic Effect of HLA Eplet Mismatch Load and CMV Viremia on Clinical Antibody-Mediated Rejection in Lung Transplantation
Y. Im¹, S. Yeramaneni², Y. Yim³, J. Dodderer⁴, M. Askar¹, H. J. Huang⁵
¹Baylor University Medical Center, Dallas, TX, ²Baylor Scott & White Health, Dallas, TX, ³Ross University School of Medicine, Portsmouth, Dominica, ⁴Texas Tech University Health Sciences Center, El Paso, TX, ⁵Houston Methodist Hospital, Houston, TX
*Purpose: De novo donor specific antibodies (dnDSA) occur in up to 50% of lung transplant (LUTX) recipients within one year and are associated with increased…
2019 American Transplant Congress
Do Outcomes Differ in Glomerulitis Predominant Antibody Mediated Rejection and Peritubular capillaritis Predominant Antibody Mediated Rejection?
S. Sethi¹, J. Hou², M. Lin², Y. Ren², A. Peng¹, R. Najjar¹, A. Vo¹, S. Jordan¹, M. Haas², E. Huang¹
¹Comprehensive Transplant Center, Cedars Sinai Medical Center, Los Angeles, CA, ²Pathology, Cedars Sinai Medical Center, Los Angeles, CA
*Purpose: The diagnosis of antibody-mediated rejection (ABMR) in renal allografts requires microvascular inflammation in the form of glomerulitis or peritubular capillaritis (g>0 and/or ptc>0). We…
2019 American Transplant Congress
A Step-Wise Desensitization Using Rituximab&Bortezomib Combined with Antithymocyte Globulin for Highly Sensitized Kidney Transplant Candidates
H. Ohdan, K. Ide, M. Ohira, H. Tahara, Y. Tanaka
Hiroshima University, Hiroshima, Japan
*Purpose: In highly HLA sensitized patients, both memory B and T cells responding to donor-specific HLA in addition to plasma cells secreting anti-HLA Abs are…
2019 American Transplant Congress
Early Tacrolimus Trough Concentration Variability Could Predict Rejection in Pediatric Liver Transplantation: A Single-Center and Retrospective Research
G. Gu, Q. Xia
Renji Hospital, Shanghai, China
*Purpose: With great development in immunosuppressive therapy, the long-term outcomes and survival time in patients who received solid organ transplantation have been improved remarkably. The…
2019 American Transplant Congress
Circulating Donor Specific Antibody and Biopsy C4d Positivity in Pancreas Rejection Increase the Probability of Earlier Return to Insulin after Rejection
S. M. Riad¹, S. Jackson², E. B. Finger³, R. Kandaswamy³
¹Medicine, University of Minnesota, Minneapolis, MN, ²Complex Care Analytics, Fairview Health Services, Minneapolis, MN, ³Surgery, University of Minnesota, Minneapolis, MN
*Purpose: Outcome data following rejection in pancreas recipients are sparse. We sought to study the influence of C4d positivity and the presence of circulating DSA…
2019 American Transplant Congress
A Metagene Signature of Lymphocytic Bronchitis Following Lung Transplantation
J. R. Greenland¹, P. Wang², J. J. Brotman², R. Ahuja¹, T. A. Chong², M. Kleinhenz², L. E. Leard², J. A. Golden², S. R. Hays², J. P. Singer², J. Kukreja³, N. Y. Greenland⁴, Z. Lasik⁴, P. Blanc¹
¹Medicine, VA Health Care System, San Francisco, CA, ²Medicine, University of California, San Francisco, CA, ³Surgery, University of California, San Francisco, CA, ⁴Pathology, University of California, San Francisco, CA
*Purpose: Lymphocytic bronchitis (LB) precedes chronic lung allograft dysfunction (CLAD). Peri-vascular (A-grade) and peri-bronchiolar (B-grade) lymphocytic inflammation are traditional markers of acute cellular rejection. The…
2019 American Transplant Congress
Tissue Resident Memory T Cells in Murine Renal Transplantation
K. Abou-Daya, D. Zhao, R. Tieu, A. Williams, M. Oberbarnscheidt, F. Lakkis
Starzl Transplantation Institute, Pittsburgh, PA
*Purpose: The newly identified tissue resident subset of memory T cells (TRM) provides immune surveillance in the tissue and first response against infections. They are…
2019 American Transplant Congress
Single Cell Analysis of Kidney Allograft Rejection
C. M. Castro-Rojas¹, K. M. Roskin², C. G. Moore², B. Abu Jawdeh³, N. Salomonis², R. R. Alloway⁴, E. Woodle⁴, D. A. Hildeman¹
¹Immunobiology, Cincinnati Children's Hospital, Cincinnati, OH, ²Biomedical Informatics, Cincinnati Children's Hospital, Cincinnati, OH, ³Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH, ⁴Transplantation, University of Cincinnati College of Medicine, Cincinnati, OH
*Purpose: Rejection therapies (corticosteroids and antilymphocyte globulins) have not changed in over 50 years. In part this is due to a knowledge deficit of signaling…
2019 American Transplant Congress
CD19⁺Tim-1⁺ Regulatory B Cells Mediate the Balance of Th17 Treg to Decrease the Level of Donor-Specific Antibodies in Mice Secondary Skin Transplantation Model
Z. Wang, S. Fei, H. Chen, L. Sun, Z. Han, J. Tao, X. Ju, R. Tan, M. Gu
No.300 Guangzhou Road of Nanjing, Nanjing, China
*Purpose: In this study, we were aimed to explore the potential influence of CD19+Tim-1+ Regulatory B cells (Bregs) on the production of DSAs in a…
2019 American Transplant Congress
Cell Coding Transcriptomic Analysis Of Serial Blood And Biopsy Samples In A Large Cohort Of Kidney Transplant Recipients
W. Zhang¹, Z. Yi¹, Z. Sun¹, K. Keung², C. Wei¹, C. Xi¹, S. Farouk¹, M. Menon¹, P. Cravedi¹, P. O'Connell², B. Murphy¹
¹Icahn School of Medicine at Mount Sinai, New York, NY, ²The University of Sydney, Sydney, Australia
*Purpose: Whole blood and graft biopsy RNA expression analyses are limited by the heterogeneous cell composition of the samples. Cell coding is an analytical tool…